Question

Which of the following demonstrates the central dogma of molecular biologists? (1 point)
• Proteins replicate DNA which gives the expression of traits to an organism.
• DNA and RNA hold the code to create proteins that are the key to gene expression.
• Gene expression relies on environmental factors that determine which traits are dominant.
• DNA and RNA mutate into either harmful or helpful effects on the human body.

Answer 1

"DNA and RNA hold the code to create proteins that are the key to gene expression."

Explanation: the central dogma describes information flow DNA → RNA → protein; DNA is transcribed to RNA and RNA is translated to proteins, which carry out cellular functions and determine traits.